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Silica exposures in workplaces in the United States between 1980 and 1992

Caroline S Freeman and Elizabeth A Grossman
Scandinavian Journal of Work, Environment & Health
Vol. 21, Supplement 2. Second international symposium on silica, silicosis and cancer (1995), pp. 47-49
Stable URL: http://www.jstor.org/stable/40966473
Page Count: 3
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Silica exposures in workplaces in the United States between 1980 and 1992
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Abstract

Between 1980 and 1992, compliance officers of the Occupational Safety and Health Administration in the United States measured respirable quartz in 1655 inspections in 255 industries. In 52% of the 255 industries where respirable quartz was measured, the average severity value was less than one, indicating average exposures below the permissible exposure limit, and in 48% the permissible exposure limit for silica was exceeded. Among industries where more than 10 facilities were inspected, the most severe respirable quartz exposures were found in fabricated structural metal; painting and paper hanging; nonresidential construction; shipbuilding and repair; masonry and other stone work; bridge, tunnel and elevated highway construction; metal coating, engraving and allied services; and special trades contractors.

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